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Subject[BENCHMARK] tiobench 2.5.55 performance
Date
From
Hi,
Here are the results of comparison of kernel 2.5.55 and 2.5.54
on TIObench. key findings are listed in the table. Values in the
table indicate approximate percentage change with respect to previous result.
Please see the mail in full window to see the formatted results.


-------------------------------------------------------------
test 2.5.55 (as compared to
2.5.54) APPROXIMATE % change
-------------------------------------------------------------
rate (megabytes per second) no much change
CPU % utilization 15% decrease
Average Latency 15% decrease
Maximum latency less than 10 % increase
CPU efficiency 10% increase
-------------------------------------------------------------

No size specified, using 252 MB

Unit information
================
File size = megabytes
Blk Size = bytes
Rate = megabytes per second
CPU% = percentage of CPU used during the test
Latency = milliseconds
Lat% = percent of requests that took longer than X seconds
CPU Eff = Rate divided by CPU% - throughput per cpu load

Sequential Reads
File Blk Num Avg Maximum Lat% Lat% CPU
Identifier Size Size Thr Rate (CPU%) Latency Latency >2s >10s Eff
---------------------------- ------ ----- --- ------ ------ --------- ----------- -------- -------- -----
2.5.55 252 4096 10 8.45 4.920% 12.947 1304.87 0.00000 0.00000 172

Random Reads
File Blk Num Avg Maximum Lat% Lat% CPU
Identifier Size Size Thr Rate (CPU%) Latency Latency >2s >10s Eff
---------------------------- ------ ----- --- ------ ------ --------- ----------- -------- -------- -----
2.5.55 252 4096 10 0.54 1.075% 200.009 925.97 0.00000 0.00000 50

Sequential Writes
File Blk Num Avg Maximum Lat% Lat% CPU
Identifier Size Size Thr Rate (CPU%) Latency Latency >2s >10s Eff
---------------------------- ------ ----- --- ------ ------ --------- ----------- -------- -------- -----
2.5.55 252 4096 10 19.42 28.69% 3.390 18832.14 0.06250 0.00000 68

Random Writes
File Blk Num Avg Maximum Lat% Lat% CPU
Identifier Size Size Thr Rate (CPU%) Latency Latency >2s >10s Eff
---------------------------- ------ ----- --- ------ ------ --------- ----------- -------- -------- -----
2.5.55 252 4096 10 0.78 0.949% 1.536 1792.09 0.00000 0.00000 82

Aniruddha Marathe
WIPRO Technologies, India
aniruddha.marathe@wipro.com
+91-80-5502001 to 2008 extn 5092
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